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drm/amdgpu/mes: implement removing mes gang

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Free the mes gang and its resources.

Signed-off-by: Jack Xiao <Jack.Xiao@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Jack Xiao 2022-03-24 11:35:29 +08:00 • committed by Alex Deucher
parent 5d0f619f72
commit b0306e5840
2 changed files with 31 additions and 0 deletions
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30
drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c
View file

@ -416,3 +416,33 @@ clean_up:
mutex_unlock(&adev->mes.mutex);
return r;
}
int amdgpu_mes_remove_gang(struct amdgpu_device *adev, int gang_id)
{
struct amdgpu_mes_gang *gang;
mutex_lock(&adev->mes.mutex);
gang = idr_find(&adev->mes.gang_id_idr, gang_id);
if (!gang) {
DRM_ERROR("gang id %d doesn't exist\n", gang_id);
mutex_unlock(&adev->mes.mutex);
return -EINVAL;
}
if (!list_empty(&gang->queue_list)) {
DRM_ERROR("queue list is not empty\n");
mutex_unlock(&adev->mes.mutex);
return -EBUSY;
}
idr_remove(&adev->mes.gang_id_idr, gang->gang_id);
amdgpu_bo_free_kernel(&gang->gang_ctx_bo,
&gang->gang_ctx_gpu_addr,
&gang->gang_ctx_cpu_ptr);
list_del(&gang->list);
kfree(gang);
mutex_unlock(&adev->mes.mutex);
return 0;
}

1
drivers/gpu/drm/amd/amdgpu/amdgpu_mes.h
View file

@ -229,5 +229,6 @@ void amdgpu_mes_destroy_process(struct amdgpu_device *adev, int pasid);
int amdgpu_mes_add_gang(struct amdgpu_device *adev, int pasid,
struct amdgpu_mes_gang_properties *gprops,
int *gang_id);
int amdgpu_mes_remove_gang(struct amdgpu_device *adev, int gang_id);
#endif /* __AMDGPU_MES_H__ */